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What are the benefits to marking a field as `readonly` in C#?

... constant, but allows the value to be calculated at runtime. This differs from a constant declared with the const modifier, which must have its value set at compile time. Using readonly you can set the value of the field either in the declaration, or in the constructor of the object that the field...
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Deleting Files using Git/GitHub

... which are still 'tracked' with: git ls-files --deleted To delete files from a branch, you can do something like this: git ls-files --deleted -z | xargs -0 git rm From man git-rm: Remove files from the index, or from the working tree and the index. git-rm will not remove a file from just y...
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DynamoDB vs MongoDB NoSQL [closed]

...ing to figure it out what can I use for a future project, we plan to store from about 500k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data storag...
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How to trim a string to N chars in Javascript?

... .substring(from, to) takes indices. .substr(from, length) does not, Also .substr() used to have an inconsistency in IE when the first argument is negative. – Bob Stein Jun 13 '19 at 12:24 ...
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Why can't Python parse this JSON data?

... "id": "valore" } } Then you can use your code: import json from pprint import pprint with open('data.json') as f: data = json.load(f) pprint(data) With data, you can now also find values like so: data["maps"][0]["id"] data["masks"]["id"] data["om_points"] Try those out and...
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What is a good Hash Function?

... I had read from Jenkins' site that SFH is one of the best then, but I think Murmur might do better, see this excellent answer: programmers.stackexchange.com/questions/49550/… – nawfal Apr 14 '13 ...
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Why is it said that “HTTP is a stateless protocol”?

...e" (see dimo414's answer below listing options for state within HTTP cited from Wikipedia), and if we view each protocol strictly by itself and not based upon the layers below it, then yes, I can agree that HTTP is "stateless". – Andrew Dec 24 '19 at 2:05 ...
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How to specify the location with wget?

... From the manual page: -P prefix --directory-prefix=prefix Set directory prefix to prefix. The directory prefix is the directory where all other files and sub-directories will be saved to, i....
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Send string to stdin

... You can use one-line heredoc cat <<< "This is coming from the stdin" the above is the same as cat <<EOF This is coming from the stdin EOF or you can redirect output from a command, like diff <(ls /bin) <(ls /usr/bin) or you can read as while read line do ...
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Why does @foo.setter in Python not work for me?

...ly you need to use new-style classes instead (in python 2 you must inherit from object). Just declare your class as MyClass(object): class testDec(object): @property def x(self): print 'called getter' return self._x @x.setter def x(self, value): print 'ca...